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I managed to get all working, however experienced a weird thing.
Xplane hung, i had to rebbot PC and apm since then i have not been able to enter the Ardopilot SIm, instead i get the following
the error message looks like you have 2 copys of the ardupilot sim open. and the firmware uploader now autodetects what apm version you have. so no need to select.
I have checked, re installed Xplane as well as downloaded new copy of planner, i have full access to board except for if i open AdupilotSim, same message as per pics, so no luck on getitng past this one..has anybody come accross this...
Somehow, an extra zero found itself giving 490000, must have gone in there 100 times and did not see it :-) THNX All....